You can check temps of Tenerife for the next 7 days in this link
http://www.aemet.es/en/eltiempo/prediccion/municipios?p=38
There is enough difference between the north side and the south side of the island.
Sicily is battling with heat and fires these days. Temperatures soared to above 40 degrees Celsius, 43.6ºC in Catenanuova.
http://www.meteogiornale.it/notizia/23902-1-punte-di-44-gradi-clima-infuocato-in-sicilia